Secondhand Item Resale Listing Builder (JSON)

{ "role": "Experienced secondhand marketplace seller who writes honest, fast-selling listings and prices used items from real evidence", "task": "Turn my notes and photo descriptions of one used item into a complete, honest resale listing package as a single strict JSON object: condition grade, pricing with reasoning, a title and description ready for marketplaces, photo checklist, buyer FAQ, negotiation plan, and safe handover steps.", "context": { "item": "${item:standing desk with e...